We don't need to walk the pipeline when propagating the alpha value as
all the information needed for propagation is already available from the
pipeline structure.
Signed-off-by: Laurent Pinchart <laurent.pinchart+rene...@ideasonboard.com>
---
drivers/media/platform/vsp1/vsp1_pipe.c | 42 +++++++--------------------------
drivers/media/platform/vsp1/vsp1_pipe.h | 4 +---
drivers/media/platform/vsp1/vsp1_rpf.c | 2 +-
drivers/media/platform/vsp1/vsp1_uds.c | 4 +++-
drivers/media/platform/vsp1/vsp1_uds.h | 2 +-
5 files changed, 14 insertions(+), 40 deletions(-)
diff --git a/drivers/media/platform/vsp1/vsp1_pipe.c
b/drivers/media/platform/vsp1/vsp1_pipe.c
index b695bee9e55c..0dd7c163c8d5 100644
--- a/drivers/media/platform/vsp1/vsp1_pipe.c
+++ b/drivers/media/platform/vsp1/vsp1_pipe.c
@@ -317,46 +317,20 @@ void vsp1_pipeline_frame_end(struct vsp1_pipeline *pipe)
* to be scaled, we disable alpha scaling when the UDS input has a fixed alpha
* value. The UDS then outputs a fixed alpha value which needs to be programmed
* from the input RPF alpha.
- *
- * This function can only be called from a subdev s_stream handler as it
- * requires a valid display list context.
*/
void vsp1_pipeline_propagate_alpha(struct vsp1_pipeline *pipe,
- struct vsp1_entity *input,
- struct vsp1_dl_list *dl,
- unsigned int alpha)
+ struct vsp1_dl_list *dl, unsigned int alpha)
{
- struct vsp1_entity *entity;
- struct media_pad *pad;
+ if (!pipe->uds)
+ return;
- /* The alpha value doesn't need to be propagated to the HGO, use
- * vsp1_entity_remote_pad() to traverse the graph.
+ /* The BRU background color has a fixed alpha value set to 255, the
+ * output alpha value is thus always equal to 255.
*/
+ if (pipe->uds_input->type == VSP1_ENTITY_BRU)
+ alpha = 255;
- pad = vsp1_entity_remote_pad(&input->pads[RWPF_PAD_SOURCE]);
-
- while (pad) {
- if (!is_media_entity_v4l2_subdev(pad->entity))
- break;
-
- entity =
to_vsp1_entity(media_entity_to_v4l2_subdev(pad->entity));
-
- /* The BRU background color has a fixed alpha value set to 255,
- * the output alpha value is thus always equal to 255.
- */
- if (entity->type == VSP1_ENTITY_BRU)
- alpha = 255;
-
- if (entity->type == VSP1_ENTITY_UDS) {
- struct vsp1_uds *uds = to_uds(&entity->subdev);
-
- vsp1_uds_set_alpha(uds, dl, alpha);
- break;
- }
-
- pad = &entity->pads[entity->source_pad];
- pad = vsp1_entity_remote_pad(pad);
- }
+ vsp1_uds_set_alpha(pipe->uds, dl, alpha);
}
void vsp1_pipelines_suspend(struct vsp1_device *vsp1)
diff --git a/drivers/media/platform/vsp1/vsp1_pipe.h
b/drivers/media/platform/vsp1/vsp1_pipe.h
index 2cbf1a5ea1fb..bd42effe405e 100644
--- a/drivers/media/platform/vsp1/vsp1_pipe.h
+++ b/drivers/media/platform/vsp1/vsp1_pipe.h
@@ -119,9 +119,7 @@ bool vsp1_pipeline_ready(struct vsp1_pipeline *pipe);
void vsp1_pipeline_frame_end(struct vsp1_pipeline *pipe);
void vsp1_pipeline_propagate_alpha(struct vsp1_pipeline *pipe,
- struct vsp1_entity *input,
- struct vsp1_dl_list *dl,
- unsigned int alpha);
+ struct vsp1_dl_list *dl, unsigned int alpha);
void vsp1_pipelines_suspend(struct vsp1_device *vsp1);
void vsp1_pipelines_resume(struct vsp1_device *vsp1);
diff --git a/drivers/media/platform/vsp1/vsp1_rpf.c
b/drivers/media/platform/vsp1/vsp1_rpf.c
index bcfa5bce12fb..2a734b131110 100644
--- a/drivers/media/platform/vsp1/vsp1_rpf.c
+++ b/drivers/media/platform/vsp1/vsp1_rpf.c
@@ -206,7 +206,7 @@ static void rpf_configure(struct vsp1_entity *entity,
vsp1_rpf_write(rpf, dl, VI6_RPF_MULT_ALPHA, mult);
}
- vsp1_pipeline_propagate_alpha(pipe, &rpf->entity, dl, rpf->alpha);
+ vsp1_pipeline_propagate_alpha(pipe, dl, rpf->alpha);
vsp1_rpf_write(rpf, dl, VI6_RPF_MSK_CTRL, 0);
vsp1_rpf_write(rpf, dl, VI6_RPF_CKEY_CTRL, 0);
diff --git a/drivers/media/platform/vsp1/vsp1_uds.c
b/drivers/media/platform/vsp1/vsp1_uds.c
index e916f454e3a4..5291f8b36688 100644
--- a/drivers/media/platform/vsp1/vsp1_uds.c
+++ b/drivers/media/platform/vsp1/vsp1_uds.c
@@ -40,9 +40,11 @@ static inline void vsp1_uds_write(struct vsp1_uds *uds,
struct vsp1_dl_list *dl,
* Scaling Computation
*/
-void vsp1_uds_set_alpha(struct vsp1_uds *uds, struct vsp1_dl_list *dl,
+void vsp1_uds_set_alpha(struct vsp1_entity *entity, struct vsp1_dl_list *dl,
unsigned int alpha)
{
+ struct vsp1_uds *uds = to_uds(&entity->subdev);
+
vsp1_uds_write(uds, dl, VI6_UDS_ALPVAL,
alpha << VI6_UDS_ALPVAL_VAL0_SHIFT);
}
diff --git a/drivers/media/platform/vsp1/vsp1_uds.h
b/drivers/media/platform/vsp1/vsp1_uds.h
index 5c8cbfcad4cc..7bf3cdcffc65 100644
--- a/drivers/media/platform/vsp1/vsp1_uds.h
+++ b/drivers/media/platform/vsp1/vsp1_uds.h
@@ -35,7 +35,7 @@ static inline struct vsp1_uds *to_uds(struct v4l2_subdev
*subdev)
struct vsp1_uds *vsp1_uds_create(struct vsp1_device *vsp1, unsigned int index);
-void vsp1_uds_set_alpha(struct vsp1_uds *uds, struct vsp1_dl_list *dl,
+void vsp1_uds_set_alpha(struct vsp1_entity *uds, struct vsp1_dl_list *dl,
unsigned int alpha);
#endif /* __VSP1_UDS_H__ */
--
Regards,
Laurent Pinchart
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